Ultra Micro Interconnects Samtec Ultra Micro Interconnects offer a stack height as low as 2.31mm and pitches of 0.4mm, 0.5mm, 0.635mm, and 0.8mm. One to four rows are available, and termination styles include solder, solder balls, and solder pin. Samtec Ultra Micro Interconnects are available in several mounting angles, including horizontal, right, straight, and vertical. The product lineup features connectors, headers, receptacles, sockets, and hermaphroditic connectors.